In pregnant women, the phenomenon of poor sleep is common, which may occur in the early stage of pregnancy, but also in the middle and late stages of pregnancy, in order to improve the quality of sleep, it is recommended that pregnant women do the following in their daily diet and life: 1. 2, reasonable diet, pregnant women in the evening excessive hunger or eating too much will affect the quality of sleep, you can generally drink appropriate yogurt or milk at around 9:00 p.m. to help improve sleep, but pay attention not to eat other food. 3, open the window ventilation, if the indoor air is not circulating, not enough oxygen, also easy to cause insomnia pregnant women.